Novel peptide-shelled dendrimer with dramatically changeable thermo-responsive character.

Abstract:

:The preparation of a novel peptide/dendrimer hybrid is reported in which an elastin-like oligopeptide is successfully assembled onto a poly(amidoamine) dendrimer surface (G4-ELP), and its unique thermo-responsive behavior is discussed. As a result, the G4-ELP is found to exhibit LCST behavior in the pH range 3-10 including physiological temperature range under neutral-pH conditions. Moreover, cooperative interplay between the folding state of the ELP shell and the ionization state of the dendrimer core enables the G4-ELP to control its LCST widely by pH variation. This achievement provides a new insight for the design of dual-responsive materials with a potential in biological applications.

journal_name

Macromol Biosci

authors

Koga T,Iimura M,Higashi N

doi

10.1002/mabi.201100509

subject

Has Abstract

pub_date

2012-08-01 00:00:00

pages

1043-7

issue

8

eissn

1616-5187

issn

1616-5195

journal_volume

12

pub_type

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